Home / 1,349.40-1,851.18-1,265.58

Finding the Fourth Proportional to 1,349.40, 1,851.18 and 1,265.58

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Solution

The fourth proportional to 1,349.40, 1,851.18 and 1,265.58 is: 1,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.40 : 1,851.18 = 1,265.58 : x
  2. Step 2: Convert to fraction form
    1,349.40/1,851.18 = 1,265.58/x
  3. Step 3: Cross multiply
    1,349.40x = 1,851.18 × 1,265.58
  4. Step 4: Simplify right side
    1,349.40x = 2,342,816.38
  5. Step 5: Solve for x
    x = 2,342,816.38/1,349.40
  6. Step 6: Final answer
    x = 1,736.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.